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Proximal Methods for Hierarchical Sparse Coding.
Rodolphe Jenatton
Julien Mairal
Guillaume Obozinski
Francis R. Bach
Published in:
J. Mach. Learn. Res. (2011)
Keyphrases
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sparse coding
pattern recognition
computer vision
natural images
sparse representation
object recognition
image classification
unsupervised learning
linear combination
codebook generation